Username Checkers:
Email Searchers:
https://thatsthem.com/reverse-email-lookup
http://www.melissadata.com/lookups/emails.asp
http://www.reversegenie.com/email.php
Email Data Leaks:
IP Loggers:
IP Geolocation:
People Searcher:
https://www.truepeoplesearch.com/
Court Records:
http://www.blackbookonline.info/USA-County-Court-Records.aspx
Geolocation Tools:
http://www.gpsvisualizer.com/geocode
https://dominoc925-pages.appspot.com/mapplets/cs_mgrs.html
https://www.doogal.co.uk/BatchGeocoding.php
Archives:
https://web-beta.archive.org/#/
Anonymous Persona Creation:
http://www.fakenamegenerator.com/
http://justdelete.me/fake-identity-generator/
https://cdn.rawgit.com/Marak/faker.js/master/examples/browser/index.html